Home / 1,866.20-2,556.92-1,843.13

Finding the Fourth Proportional to 1,866.20, 2,556.92 and 1,843.13

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Solution

The fourth proportional to 1,866.20, 2,556.92 and 1,843.13 is: 2,525.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866.20 : 2,556.92 = 1,843.13 : x
  2. Step 2: Convert to fraction form
    1,866.20/2,556.92 = 1,843.13/x
  3. Step 3: Cross multiply
    1,866.20x = 2,556.92 × 1,843.13
  4. Step 4: Simplify right side
    1,866.20x = 4,712,746.96
  5. Step 5: Solve for x
    x = 4,712,746.96/1,866.20
  6. Step 6: Final answer
    x = 2,525.32

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.